Finding the Fourth Proportional to 498,064.13, 687,327.63 and 271,709.63
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Solution
The fourth proportional to 498,064.13, 687,327.63 and 271,709.63 is: 374,958.82
Step by Step Solution
- Step 1: Write the proportion equation
498,064.13 : 687,327.63 = 271,709.63 : x - Step 2: Convert to fraction form
498,064.13/687,327.63 = 271,709.63/x - Step 3: Cross multiply
498,064.13x = 687,327.63 × 271,709.63 - Step 4: Simplify right side
498,064.13x = 186,753,536,036.08 - Step 5: Solve for x
x = 186,753,536,036.08/498,064.13 - Step 6: Final answer
x = 374,958.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.